Refactor import statements in client.go and nodeClient.go for improved organization and consistency

Author: WGB5445

client.go

@@ -2,11 +2,11 @@ package aptos
 
 import (
 	"fmt"
-	"net/http"
-	"time"
 	"github.com/aptos-labs/aptos-go-sdk/api"
 	"github.com/aptos-labs/aptos-go-sdk/crypto"
 	"github.com/hasura/go-graphql-client"
+	"net/http"
+	"time"
 )
 
 // NetworkConfig a configuration for the Client and which network to use.  Use one of the preconfigured [LocalnetConfig], [DevnetConfig], [TestnetConfig], or [MainnetConfig] unless you have your own full node.

nodeClient.go

@@ -5,6 +5,9 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"github.com/aptos-labs/aptos-go-sdk/api"
+	"github.com/aptos-labs/aptos-go-sdk/bcs"
+	"github.com/aptos-labs/aptos-go-sdk/crypto"
 	"io"
 	"log/slog"
 	"net/http"
@@ -13,9 +16,6 @@ import (
 	"sort"
 	"strconv"
 	"time"
-	"github.com/aptos-labs/aptos-go-sdk/api"
-	"github.com/aptos-labs/aptos-go-sdk/bcs"
-	"github.com/aptos-labs/aptos-go-sdk/crypto"
 )
 
 const (